megahertz

noun

mega·​hertz ˈme-gə-ˌhərts How to pronounce megahertz (audio)
-ˌherts
plural megahertz
: a unit of frequency equal to one million hertz
abbreviation MHz

Examples of megahertz in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The sale will add about 50 megahertz of mid-band and low-band spectrum to AT&T's network, with the licenses covering more than 400 markets across the U.S., AT&T said. Annie Palmer, CNBC, 26 Aug. 2025 However, hydrogen, which is the most abundant element in the universe, emits a characteristic radio signal at a frequency of 1,420 megahertz, corresponding to a wavelength of about 8.3 inches (21 centimeters). Sharmila Kuthunur, Space.com, 21 July 2025 Each Pulsar also incorporates a 32-bit RISC-V CPU that can run at up to 160 megahertz for systems management, as well as a range of standard sensor interfaces and other components. IEEE Spectrum, 5 June 2025 The Gold Apollo pagers can receive messages at a frequency of 450 to 470 megahertz, which can ensure communication from around 36 miles away. Bruna Horvath, NBC News, 20 Sep. 2024 See All Example Sentences for megahertz

Word History

Etymology

mega- + hertz

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of megahertz was in 1941

Browse Nearby Words

Cite this Entry

“Megahertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megahertz. Accessed 10 Sep. 2025.

Kids Definition

megahertz

noun
mega·​hertz ˈmeg-ə-ˌhərts How to pronounce megahertz (audio)
-ˌhe(ə)rts
: a unit of frequency equal to one million hertz

Medical Definition

megahertz

noun
mega·​hertz ˈmeg-ə-ˌhərts How to pronounce megahertz (audio)
: one million hertz
abbreviation MHz

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